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Charting Our Course
其他書名
An Activity Guide for Grades 6-12 on Water Quality in the Gulf of Maine
出版Maine State Planning Office, Maine Coastal Program, 1989
URLhttp://books.google.com.hk/books?id=-Crd9yaRO7kC&hl=&source=gbs_api
註釋Lessons and resources that introduce the Gulf of Maine, review the hydrologic cycle and watersheds, describe the sources of pollution and ways to combat them, and ask questions about the future of the Gulf.